Tagged Questions

Design by Contract (DbC) or Programming by Contract is an approach to designing computer software. It prescribes that software designers should define formal, precise and verifiable interface specifications for software components, which extend the ordinary definition of abstract data types with ...

I've recently started to read up on the Design by Contract design method but I don't understand some aspects of it. When using @pre etc, in a javadoc style comment, what purpose do these tags serve ...

I have received a WSDL with a bunch of XSD's and I am using these to create a WCF-service. I am using svcutil.exe to generate the service class and everything basically works fine - except that the ...

According to the following example from the struct/dc entry in the Racket reference manual, the bst/c function below returns a contract such as every node in bt has its value bound between lo and hi.
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How do you make sure the contracts you defined for your software components using Design by Contract (DbC) are being tested at some point?
Shall I write unit tests for every single contract I define?
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I've been learning about postconditions, preconditions, and design by contract recently and I haven't been able to find an exact answer to this question.
To me, a postcondition seems to essentially ...

I'm trying to implement the post-condition of a method. I want to guarantee that it doesn't change a particular part of the internal state (I fixed a bug, as it used to do so. For refression purposed, ...

I have been wondering for a while, why non-C++ OOP languages (not sure if there are other some that uses headers) doesn't have header files?
Well, what concerns me the most is that in C++ I can code ...

I've read about all those approaches: Design by Contract, Aspect Oriented Programming, Test Driven Development and Unit testing. In practice I've used only Unit tests and AOP (AspectJ). I know that ...

I was wondering if I'm able to use Microsoft Code Contracts to verify the invariant that a method shall not throw any exception. The use case is as follows:
I have an importer with a logger attached ...

I am currently reading up to understand more about Design By contract / code contract.
As from what i know, it is to write contracts (Invariants, Pre and Post conditions) to ensure that the codes can ...

What is the best way in Java to enforce class instance invariants (i.e. to ensure that certain statements are true right before and after calling any public method)?
I will include below an example ...

My problem with DefaultTraceListener (which is the only trace listener, if not overridden in app.config) is that, if AssertUiEnabled is false (i.e. in ASP.NET) it writes a message as OutputDebugString ...

I am trying to combine basic Design by Contract (implemented by macros, which use the built-in assert function) and Google Test unit testing in an application.
So, for example, I have the following ...